xref: /openbmc/linux/drivers/scsi/lpfc/lpfc_ct.c (revision 1fa6ac37)
1 /*******************************************************************
2  * This file is part of the Emulex Linux Device Driver for         *
3  * Fibre Channel Host Bus Adapters.                                *
4  * Copyright (C) 2004-2010 Emulex.  All rights reserved.           *
5  * EMULEX and SLI are trademarks of Emulex.                        *
6  * www.emulex.com                                                  *
7  *                                                                 *
8  * This program is free software; you can redistribute it and/or   *
9  * modify it under the terms of version 2 of the GNU General       *
10  * Public License as published by the Free Software Foundation.    *
11  * This program is distributed in the hope that it will be useful. *
12  * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND          *
13  * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY,  *
14  * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE      *
15  * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD *
16  * TO BE LEGALLY INVALID.  See the GNU General Public License for  *
17  * more details, a copy of which can be found in the file COPYING  *
18  * included with this package.                                     *
19  *******************************************************************/
20 
21 /*
22  * Fibre Channel SCSI LAN Device Driver CT support: FC Generic Services FC-GS
23  */
24 
25 #include <linux/blkdev.h>
26 #include <linux/pci.h>
27 #include <linux/interrupt.h>
28 #include <linux/slab.h>
29 #include <linux/utsname.h>
30 
31 #include <scsi/scsi.h>
32 #include <scsi/scsi_device.h>
33 #include <scsi/scsi_host.h>
34 #include <scsi/scsi_transport_fc.h>
35 #include <scsi/fc/fc_fs.h>
36 
37 #include "lpfc_hw4.h"
38 #include "lpfc_hw.h"
39 #include "lpfc_sli.h"
40 #include "lpfc_sli4.h"
41 #include "lpfc_nl.h"
42 #include "lpfc_disc.h"
43 #include "lpfc_scsi.h"
44 #include "lpfc.h"
45 #include "lpfc_logmsg.h"
46 #include "lpfc_crtn.h"
47 #include "lpfc_version.h"
48 #include "lpfc_vport.h"
49 #include "lpfc_debugfs.h"
50 
51 #define HBA_PORTSPEED_UNKNOWN               0	/* Unknown - transceiver
52 						 * incapable of reporting */
53 #define HBA_PORTSPEED_1GBIT                 1	/* 1 GBit/sec */
54 #define HBA_PORTSPEED_2GBIT                 2	/* 2 GBit/sec */
55 #define HBA_PORTSPEED_4GBIT                 8   /* 4 GBit/sec */
56 #define HBA_PORTSPEED_8GBIT                16   /* 8 GBit/sec */
57 #define HBA_PORTSPEED_10GBIT                4	/* 10 GBit/sec */
58 #define HBA_PORTSPEED_NOT_NEGOTIATED        5	/* Speed not established */
59 
60 #define FOURBYTES	4
61 
62 
63 static char *lpfc_release_version = LPFC_DRIVER_VERSION;
64 
65 static void
66 lpfc_ct_ignore_hbq_buffer(struct lpfc_hba *phba, struct lpfc_iocbq *piocbq,
67 			  struct lpfc_dmabuf *mp, uint32_t size)
68 {
69 	if (!mp) {
70 		lpfc_printf_log(phba, KERN_INFO, LOG_ELS,
71 				"0146 Ignoring unsolicited CT No HBQ "
72 				"status = x%x\n",
73 				piocbq->iocb.ulpStatus);
74 	}
75 	lpfc_printf_log(phba, KERN_INFO, LOG_ELS,
76 			"0145 Ignoring unsolicted CT HBQ Size:%d "
77 			"status = x%x\n",
78 			size, piocbq->iocb.ulpStatus);
79 }
80 
81 static void
82 lpfc_ct_unsol_buffer(struct lpfc_hba *phba, struct lpfc_iocbq *piocbq,
83 		     struct lpfc_dmabuf *mp, uint32_t size)
84 {
85 	lpfc_ct_ignore_hbq_buffer(phba, piocbq, mp, size);
86 }
87 
88 void
89 lpfc_ct_unsol_event(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
90 		    struct lpfc_iocbq *piocbq)
91 {
92 	struct lpfc_dmabuf *mp = NULL;
93 	IOCB_t *icmd = &piocbq->iocb;
94 	int i;
95 	struct lpfc_iocbq *iocbq;
96 	dma_addr_t paddr;
97 	uint32_t size;
98 	struct list_head head;
99 	struct lpfc_dmabuf *bdeBuf;
100 
101 	if (lpfc_bsg_ct_unsol_event(phba, pring, piocbq) == 0)
102 		return;
103 
104 	if (unlikely(icmd->ulpStatus == IOSTAT_NEED_BUFFER)) {
105 		lpfc_sli_hbqbuf_add_hbqs(phba, LPFC_ELS_HBQ);
106 	} else if ((icmd->ulpStatus == IOSTAT_LOCAL_REJECT) &&
107 		((icmd->un.ulpWord[4] & 0xff) == IOERR_RCV_BUFFER_WAITING)) {
108 		/* Not enough posted buffers; Try posting more buffers */
109 		phba->fc_stat.NoRcvBuf++;
110 		if (!(phba->sli3_options & LPFC_SLI3_HBQ_ENABLED))
111 			lpfc_post_buffer(phba, pring, 2);
112 		return;
113 	}
114 
115 	/* If there are no BDEs associated with this IOCB,
116 	 * there is nothing to do.
117 	 */
118 	if (icmd->ulpBdeCount == 0)
119 		return;
120 
121 	if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) {
122 		INIT_LIST_HEAD(&head);
123 		list_add_tail(&head, &piocbq->list);
124 		list_for_each_entry(iocbq, &head, list) {
125 			icmd = &iocbq->iocb;
126 			if (icmd->ulpBdeCount == 0)
127 				continue;
128 			bdeBuf = iocbq->context2;
129 			iocbq->context2 = NULL;
130 			size  = icmd->un.cont64[0].tus.f.bdeSize;
131 			lpfc_ct_unsol_buffer(phba, piocbq, bdeBuf, size);
132 			lpfc_in_buf_free(phba, bdeBuf);
133 			if (icmd->ulpBdeCount == 2) {
134 				bdeBuf = iocbq->context3;
135 				iocbq->context3 = NULL;
136 				size  = icmd->unsli3.rcvsli3.bde2.tus.f.bdeSize;
137 				lpfc_ct_unsol_buffer(phba, piocbq, bdeBuf,
138 						     size);
139 				lpfc_in_buf_free(phba, bdeBuf);
140 			}
141 		}
142 		list_del(&head);
143 	} else {
144 		INIT_LIST_HEAD(&head);
145 		list_add_tail(&head, &piocbq->list);
146 		list_for_each_entry(iocbq, &head, list) {
147 			icmd = &iocbq->iocb;
148 			if (icmd->ulpBdeCount == 0)
149 				lpfc_ct_unsol_buffer(phba, iocbq, NULL, 0);
150 			for (i = 0; i < icmd->ulpBdeCount; i++) {
151 				paddr = getPaddr(icmd->un.cont64[i].addrHigh,
152 						 icmd->un.cont64[i].addrLow);
153 				mp = lpfc_sli_ringpostbuf_get(phba, pring,
154 							      paddr);
155 				size = icmd->un.cont64[i].tus.f.bdeSize;
156 				lpfc_ct_unsol_buffer(phba, iocbq, mp, size);
157 				lpfc_in_buf_free(phba, mp);
158 			}
159 			lpfc_post_buffer(phba, pring, i);
160 		}
161 		list_del(&head);
162 	}
163 }
164 
165 /**
166  * lpfc_sli4_ct_abort_unsol_event - Default handle for sli4 unsol abort
167  * @phba: Pointer to HBA context object.
168  * @pring: Pointer to the driver internal I/O ring.
169  * @piocbq: Pointer to the IOCBQ.
170  *
171  * This function serves as the default handler for the sli4 unsolicited
172  * abort event. It shall be invoked when there is no application interface
173  * registered unsolicited abort handler. This handler does nothing but
174  * just simply releases the dma buffer used by the unsol abort event.
175  **/
176 void
177 lpfc_sli4_ct_abort_unsol_event(struct lpfc_hba *phba,
178 			       struct lpfc_sli_ring *pring,
179 			       struct lpfc_iocbq *piocbq)
180 {
181 	IOCB_t *icmd = &piocbq->iocb;
182 	struct lpfc_dmabuf *bdeBuf;
183 	uint32_t size;
184 
185 	/* Forward abort event to any process registered to receive ct event */
186 	if (lpfc_bsg_ct_unsol_event(phba, pring, piocbq) == 0)
187 		return;
188 
189 	/* If there is no BDE associated with IOCB, there is nothing to do */
190 	if (icmd->ulpBdeCount == 0)
191 		return;
192 	bdeBuf = piocbq->context2;
193 	piocbq->context2 = NULL;
194 	size  = icmd->un.cont64[0].tus.f.bdeSize;
195 	lpfc_ct_unsol_buffer(phba, piocbq, bdeBuf, size);
196 	lpfc_in_buf_free(phba, bdeBuf);
197 }
198 
199 static void
200 lpfc_free_ct_rsp(struct lpfc_hba *phba, struct lpfc_dmabuf *mlist)
201 {
202 	struct lpfc_dmabuf *mlast, *next_mlast;
203 
204 	list_for_each_entry_safe(mlast, next_mlast, &mlist->list, list) {
205 		lpfc_mbuf_free(phba, mlast->virt, mlast->phys);
206 		list_del(&mlast->list);
207 		kfree(mlast);
208 	}
209 	lpfc_mbuf_free(phba, mlist->virt, mlist->phys);
210 	kfree(mlist);
211 	return;
212 }
213 
214 static struct lpfc_dmabuf *
215 lpfc_alloc_ct_rsp(struct lpfc_hba *phba, int cmdcode, struct ulp_bde64 *bpl,
216 		  uint32_t size, int *entries)
217 {
218 	struct lpfc_dmabuf *mlist = NULL;
219 	struct lpfc_dmabuf *mp;
220 	int cnt, i = 0;
221 
222 	/* We get chunks of FCELSSIZE */
223 	cnt = size > FCELSSIZE ? FCELSSIZE: size;
224 
225 	while (size) {
226 		/* Allocate buffer for rsp payload */
227 		mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
228 		if (!mp) {
229 			if (mlist)
230 				lpfc_free_ct_rsp(phba, mlist);
231 			return NULL;
232 		}
233 
234 		INIT_LIST_HEAD(&mp->list);
235 
236 		if (cmdcode == be16_to_cpu(SLI_CTNS_GID_FT) ||
237 		    cmdcode == be16_to_cpu(SLI_CTNS_GFF_ID))
238 			mp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &(mp->phys));
239 		else
240 			mp->virt = lpfc_mbuf_alloc(phba, 0, &(mp->phys));
241 
242 		if (!mp->virt) {
243 			kfree(mp);
244 			if (mlist)
245 				lpfc_free_ct_rsp(phba, mlist);
246 			return NULL;
247 		}
248 
249 		/* Queue it to a linked list */
250 		if (!mlist)
251 			mlist = mp;
252 		else
253 			list_add_tail(&mp->list, &mlist->list);
254 
255 		bpl->tus.f.bdeFlags = BUFF_TYPE_BDE_64I;
256 		/* build buffer ptr list for IOCB */
257 		bpl->addrLow = le32_to_cpu(putPaddrLow(mp->phys) );
258 		bpl->addrHigh = le32_to_cpu(putPaddrHigh(mp->phys) );
259 		bpl->tus.f.bdeSize = (uint16_t) cnt;
260 		bpl->tus.w = le32_to_cpu(bpl->tus.w);
261 		bpl++;
262 
263 		i++;
264 		size -= cnt;
265 	}
266 
267 	*entries = i;
268 	return mlist;
269 }
270 
271 int
272 lpfc_ct_free_iocb(struct lpfc_hba *phba, struct lpfc_iocbq *ctiocb)
273 {
274 	struct lpfc_dmabuf *buf_ptr;
275 
276 	if (ctiocb->context_un.ndlp) {
277 		lpfc_nlp_put(ctiocb->context_un.ndlp);
278 		ctiocb->context_un.ndlp = NULL;
279 	}
280 	if (ctiocb->context1) {
281 		buf_ptr = (struct lpfc_dmabuf *) ctiocb->context1;
282 		lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys);
283 		kfree(buf_ptr);
284 		ctiocb->context1 = NULL;
285 	}
286 	if (ctiocb->context2) {
287 		lpfc_free_ct_rsp(phba, (struct lpfc_dmabuf *) ctiocb->context2);
288 		ctiocb->context2 = NULL;
289 	}
290 
291 	if (ctiocb->context3) {
292 		buf_ptr = (struct lpfc_dmabuf *) ctiocb->context3;
293 		lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys);
294 		kfree(buf_ptr);
295 		ctiocb->context1 = NULL;
296 	}
297 	lpfc_sli_release_iocbq(phba, ctiocb);
298 	return 0;
299 }
300 
301 static int
302 lpfc_gen_req(struct lpfc_vport *vport, struct lpfc_dmabuf *bmp,
303 	     struct lpfc_dmabuf *inp, struct lpfc_dmabuf *outp,
304 	     void (*cmpl) (struct lpfc_hba *, struct lpfc_iocbq *,
305 		     struct lpfc_iocbq *),
306 	     struct lpfc_nodelist *ndlp, uint32_t usr_flg, uint32_t num_entry,
307 	     uint32_t tmo, uint8_t retry)
308 {
309 	struct lpfc_hba  *phba = vport->phba;
310 	IOCB_t *icmd;
311 	struct lpfc_iocbq *geniocb;
312 	int rc;
313 
314 	/* Allocate buffer for  command iocb */
315 	geniocb = lpfc_sli_get_iocbq(phba);
316 
317 	if (geniocb == NULL)
318 		return 1;
319 
320 	icmd = &geniocb->iocb;
321 	icmd->un.genreq64.bdl.ulpIoTag32 = 0;
322 	icmd->un.genreq64.bdl.addrHigh = putPaddrHigh(bmp->phys);
323 	icmd->un.genreq64.bdl.addrLow = putPaddrLow(bmp->phys);
324 	icmd->un.genreq64.bdl.bdeFlags = BUFF_TYPE_BLP_64;
325 	icmd->un.genreq64.bdl.bdeSize = (num_entry * sizeof (struct ulp_bde64));
326 
327 	if (usr_flg)
328 		geniocb->context3 = NULL;
329 	else
330 		geniocb->context3 = (uint8_t *) bmp;
331 
332 	/* Save for completion so we can release these resources */
333 	geniocb->context1 = (uint8_t *) inp;
334 	geniocb->context2 = (uint8_t *) outp;
335 	geniocb->context_un.ndlp = lpfc_nlp_get(ndlp);
336 
337 	/* Fill in payload, bp points to frame payload */
338 	icmd->ulpCommand = CMD_GEN_REQUEST64_CR;
339 
340 	/* Fill in rest of iocb */
341 	icmd->un.genreq64.w5.hcsw.Fctl = (SI | LA);
342 	icmd->un.genreq64.w5.hcsw.Dfctl = 0;
343 	icmd->un.genreq64.w5.hcsw.Rctl = FC_RCTL_DD_UNSOL_CTL;
344 	icmd->un.genreq64.w5.hcsw.Type = FC_TYPE_CT;
345 
346 	if (!tmo) {
347 		 /* FC spec states we need 3 * ratov for CT requests */
348 		tmo = (3 * phba->fc_ratov);
349 	}
350 	icmd->ulpTimeout = tmo;
351 	icmd->ulpBdeCount = 1;
352 	icmd->ulpLe = 1;
353 	icmd->ulpClass = CLASS3;
354 	icmd->ulpContext = ndlp->nlp_rpi;
355 
356 	if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) {
357 		/* For GEN_REQUEST64_CR, use the RPI */
358 		icmd->ulpCt_h = 0;
359 		icmd->ulpCt_l = 0;
360 	}
361 
362 	/* Issue GEN REQ IOCB for NPORT <did> */
363 	lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS,
364 			 "0119 Issue GEN REQ IOCB to NPORT x%x "
365 			 "Data: x%x x%x\n",
366 			 ndlp->nlp_DID, icmd->ulpIoTag,
367 			 vport->port_state);
368 	geniocb->iocb_cmpl = cmpl;
369 	geniocb->drvrTimeout = icmd->ulpTimeout + LPFC_DRVR_TIMEOUT;
370 	geniocb->vport = vport;
371 	geniocb->retry = retry;
372 	rc = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, geniocb, 0);
373 
374 	if (rc == IOCB_ERROR) {
375 		lpfc_sli_release_iocbq(phba, geniocb);
376 		return 1;
377 	}
378 
379 	return 0;
380 }
381 
382 static int
383 lpfc_ct_cmd(struct lpfc_vport *vport, struct lpfc_dmabuf *inmp,
384 	    struct lpfc_dmabuf *bmp, struct lpfc_nodelist *ndlp,
385 	    void (*cmpl) (struct lpfc_hba *, struct lpfc_iocbq *,
386 			  struct lpfc_iocbq *),
387 	    uint32_t rsp_size, uint8_t retry)
388 {
389 	struct lpfc_hba  *phba = vport->phba;
390 	struct ulp_bde64 *bpl = (struct ulp_bde64 *) bmp->virt;
391 	struct lpfc_dmabuf *outmp;
392 	int cnt = 0, status;
393 	int cmdcode = ((struct lpfc_sli_ct_request *) inmp->virt)->
394 		CommandResponse.bits.CmdRsp;
395 
396 	bpl++;			/* Skip past ct request */
397 
398 	/* Put buffer(s) for ct rsp in bpl */
399 	outmp = lpfc_alloc_ct_rsp(phba, cmdcode, bpl, rsp_size, &cnt);
400 	if (!outmp)
401 		return -ENOMEM;
402 	/*
403 	 * Form the CT IOCB.  The total number of BDEs in this IOCB
404 	 * is the single command plus response count from
405 	 * lpfc_alloc_ct_rsp.
406 	 */
407 	cnt += 1;
408 	status = lpfc_gen_req(vport, bmp, inmp, outmp, cmpl, ndlp, 0,
409 			      cnt, 0, retry);
410 	if (status) {
411 		lpfc_free_ct_rsp(phba, outmp);
412 		return -ENOMEM;
413 	}
414 	return 0;
415 }
416 
417 struct lpfc_vport *
418 lpfc_find_vport_by_did(struct lpfc_hba *phba, uint32_t did) {
419 	struct lpfc_vport *vport_curr;
420 	unsigned long flags;
421 
422 	spin_lock_irqsave(&phba->hbalock, flags);
423 	list_for_each_entry(vport_curr, &phba->port_list, listentry) {
424 		if ((vport_curr->fc_myDID) && (vport_curr->fc_myDID == did)) {
425 			spin_unlock_irqrestore(&phba->hbalock, flags);
426 			return vport_curr;
427 		}
428 	}
429 	spin_unlock_irqrestore(&phba->hbalock, flags);
430 	return NULL;
431 }
432 
433 static int
434 lpfc_ns_rsp(struct lpfc_vport *vport, struct lpfc_dmabuf *mp, uint32_t Size)
435 {
436 	struct lpfc_hba  *phba = vport->phba;
437 	struct lpfc_sli_ct_request *Response =
438 		(struct lpfc_sli_ct_request *) mp->virt;
439 	struct lpfc_nodelist *ndlp = NULL;
440 	struct lpfc_dmabuf *mlast, *next_mp;
441 	uint32_t *ctptr = (uint32_t *) & Response->un.gid.PortType;
442 	uint32_t Did, CTentry;
443 	int Cnt;
444 	struct list_head head;
445 
446 	lpfc_set_disctmo(vport);
447 	vport->num_disc_nodes = 0;
448 	vport->fc_ns_retry = 0;
449 
450 
451 	list_add_tail(&head, &mp->list);
452 	list_for_each_entry_safe(mp, next_mp, &head, list) {
453 		mlast = mp;
454 
455 		Cnt = Size  > FCELSSIZE ? FCELSSIZE : Size;
456 
457 		Size -= Cnt;
458 
459 		if (!ctptr) {
460 			ctptr = (uint32_t *) mlast->virt;
461 		} else
462 			Cnt -= 16;	/* subtract length of CT header */
463 
464 		/* Loop through entire NameServer list of DIDs */
465 		while (Cnt >= sizeof (uint32_t)) {
466 			/* Get next DID from NameServer List */
467 			CTentry = *ctptr++;
468 			Did = ((be32_to_cpu(CTentry)) & Mask_DID);
469 
470 			ndlp = NULL;
471 
472 			/*
473 			 * Check for rscn processing or not
474 			 * To conserve rpi's, filter out addresses for other
475 			 * vports on the same physical HBAs.
476 			 */
477 			if ((Did != vport->fc_myDID) &&
478 			    ((lpfc_find_vport_by_did(phba, Did) == NULL) ||
479 			     vport->cfg_peer_port_login)) {
480 				if ((vport->port_type != LPFC_NPIV_PORT) ||
481 				    (!(vport->ct_flags & FC_CT_RFF_ID)) ||
482 				    (!vport->cfg_restrict_login)) {
483 					ndlp = lpfc_setup_disc_node(vport, Did);
484 					if (ndlp && NLP_CHK_NODE_ACT(ndlp)) {
485 						lpfc_debugfs_disc_trc(vport,
486 						LPFC_DISC_TRC_CT,
487 						"Parse GID_FTrsp: "
488 						"did:x%x flg:x%x x%x",
489 						Did, ndlp->nlp_flag,
490 						vport->fc_flag);
491 
492 						lpfc_printf_vlog(vport,
493 							KERN_INFO,
494 							LOG_DISCOVERY,
495 							"0238 Process "
496 							"x%x NameServer Rsp"
497 							"Data: x%x x%x x%x\n",
498 							Did, ndlp->nlp_flag,
499 							vport->fc_flag,
500 							vport->fc_rscn_id_cnt);
501 					} else {
502 						lpfc_debugfs_disc_trc(vport,
503 						LPFC_DISC_TRC_CT,
504 						"Skip1 GID_FTrsp: "
505 						"did:x%x flg:x%x cnt:%d",
506 						Did, vport->fc_flag,
507 						vport->fc_rscn_id_cnt);
508 
509 						lpfc_printf_vlog(vport,
510 							KERN_INFO,
511 							LOG_DISCOVERY,
512 							"0239 Skip x%x "
513 							"NameServer Rsp Data: "
514 							"x%x x%x\n",
515 							Did, vport->fc_flag,
516 							vport->fc_rscn_id_cnt);
517 					}
518 
519 				} else {
520 					if (!(vport->fc_flag & FC_RSCN_MODE) ||
521 					(lpfc_rscn_payload_check(vport, Did))) {
522 						lpfc_debugfs_disc_trc(vport,
523 						LPFC_DISC_TRC_CT,
524 						"Query GID_FTrsp: "
525 						"did:x%x flg:x%x cnt:%d",
526 						Did, vport->fc_flag,
527 						vport->fc_rscn_id_cnt);
528 
529 						/* This NPortID was previously
530 						 * a FCP target, * Don't even
531 						 * bother to send GFF_ID.
532 						 */
533 						ndlp = lpfc_findnode_did(vport,
534 							Did);
535 						if (ndlp &&
536 						    NLP_CHK_NODE_ACT(ndlp)
537 						    && (ndlp->nlp_type &
538 						     NLP_FCP_TARGET))
539 							lpfc_setup_disc_node
540 								(vport, Did);
541 						else if (lpfc_ns_cmd(vport,
542 							SLI_CTNS_GFF_ID,
543 							0, Did) == 0)
544 							vport->num_disc_nodes++;
545 						else
546 							lpfc_setup_disc_node
547 								(vport, Did);
548 					}
549 					else {
550 						lpfc_debugfs_disc_trc(vport,
551 						LPFC_DISC_TRC_CT,
552 						"Skip2 GID_FTrsp: "
553 						"did:x%x flg:x%x cnt:%d",
554 						Did, vport->fc_flag,
555 						vport->fc_rscn_id_cnt);
556 
557 						lpfc_printf_vlog(vport,
558 							KERN_INFO,
559 							LOG_DISCOVERY,
560 							"0245 Skip x%x "
561 							"NameServer Rsp Data: "
562 							"x%x x%x\n",
563 							Did, vport->fc_flag,
564 							vport->fc_rscn_id_cnt);
565 					}
566 				}
567 			}
568 			if (CTentry & (be32_to_cpu(SLI_CT_LAST_ENTRY)))
569 				goto nsout1;
570 			Cnt -= sizeof (uint32_t);
571 		}
572 		ctptr = NULL;
573 
574 	}
575 
576 nsout1:
577 	list_del(&head);
578 	return 0;
579 }
580 
581 static void
582 lpfc_cmpl_ct_cmd_gid_ft(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
583 			struct lpfc_iocbq *rspiocb)
584 {
585 	struct lpfc_vport *vport = cmdiocb->vport;
586 	struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
587 	IOCB_t *irsp;
588 	struct lpfc_dmabuf *bmp;
589 	struct lpfc_dmabuf *outp;
590 	struct lpfc_sli_ct_request *CTrsp;
591 	struct lpfc_nodelist *ndlp;
592 	int rc;
593 
594 	/* First save ndlp, before we overwrite it */
595 	ndlp = cmdiocb->context_un.ndlp;
596 
597 	/* we pass cmdiocb to state machine which needs rspiocb as well */
598 	cmdiocb->context_un.rsp_iocb = rspiocb;
599 
600 	outp = (struct lpfc_dmabuf *) cmdiocb->context2;
601 	bmp = (struct lpfc_dmabuf *) cmdiocb->context3;
602 	irsp = &rspiocb->iocb;
603 
604 	lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
605 		 "GID_FT cmpl:     status:x%x/x%x rtry:%d",
606 		irsp->ulpStatus, irsp->un.ulpWord[4], vport->fc_ns_retry);
607 
608 	/* Don't bother processing response if vport is being torn down. */
609 	if (vport->load_flag & FC_UNLOADING) {
610 		if (vport->fc_flag & FC_RSCN_MODE)
611 			lpfc_els_flush_rscn(vport);
612 		goto out;
613 	}
614 
615 	if (lpfc_els_chk_latt(vport)) {
616 		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
617 				 "0216 Link event during NS query\n");
618 		if (vport->fc_flag & FC_RSCN_MODE)
619 			lpfc_els_flush_rscn(vport);
620 		lpfc_vport_set_state(vport, FC_VPORT_FAILED);
621 		goto out;
622 	}
623 	if (lpfc_error_lost_link(irsp)) {
624 		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
625 				 "0226 NS query failed due to link event\n");
626 		if (vport->fc_flag & FC_RSCN_MODE)
627 			lpfc_els_flush_rscn(vport);
628 		goto out;
629 	}
630 	if (irsp->ulpStatus) {
631 		/* Check for retry */
632 		if (vport->fc_ns_retry < LPFC_MAX_NS_RETRY) {
633 			if (irsp->ulpStatus != IOSTAT_LOCAL_REJECT ||
634 			    irsp->un.ulpWord[4] != IOERR_NO_RESOURCES)
635 				vport->fc_ns_retry++;
636 
637 			/* CT command is being retried */
638 			rc = lpfc_ns_cmd(vport, SLI_CTNS_GID_FT,
639 					 vport->fc_ns_retry, 0);
640 			if (rc == 0)
641 				goto out;
642 		}
643 		if (vport->fc_flag & FC_RSCN_MODE)
644 			lpfc_els_flush_rscn(vport);
645 		lpfc_vport_set_state(vport, FC_VPORT_FAILED);
646 		lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS,
647 				 "0257 GID_FT Query error: 0x%x 0x%x\n",
648 				 irsp->ulpStatus, vport->fc_ns_retry);
649 	} else {
650 		/* Good status, continue checking */
651 		CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
652 		if (CTrsp->CommandResponse.bits.CmdRsp ==
653 		    be16_to_cpu(SLI_CT_RESPONSE_FS_ACC)) {
654 			lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
655 					 "0208 NameServer Rsp Data: x%x\n",
656 					 vport->fc_flag);
657 			lpfc_ns_rsp(vport, outp,
658 				    (uint32_t) (irsp->un.genreq64.bdl.bdeSize));
659 		} else if (CTrsp->CommandResponse.bits.CmdRsp ==
660 			   be16_to_cpu(SLI_CT_RESPONSE_FS_RJT)) {
661 			/* NameServer Rsp Error */
662 			if ((CTrsp->ReasonCode == SLI_CT_UNABLE_TO_PERFORM_REQ)
663 			    && (CTrsp->Explanation == SLI_CT_NO_FC4_TYPES)) {
664 				lpfc_printf_vlog(vport, KERN_INFO,
665 					LOG_DISCOVERY,
666 					"0269 No NameServer Entries "
667 					"Data: x%x x%x x%x x%x\n",
668 					CTrsp->CommandResponse.bits.CmdRsp,
669 					(uint32_t) CTrsp->ReasonCode,
670 					(uint32_t) CTrsp->Explanation,
671 					vport->fc_flag);
672 
673 				lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
674 				"GID_FT no entry  cmd:x%x rsn:x%x exp:x%x",
675 				(uint32_t)CTrsp->CommandResponse.bits.CmdRsp,
676 				(uint32_t) CTrsp->ReasonCode,
677 				(uint32_t) CTrsp->Explanation);
678 			} else {
679 				lpfc_printf_vlog(vport, KERN_INFO,
680 					LOG_DISCOVERY,
681 					"0240 NameServer Rsp Error "
682 					"Data: x%x x%x x%x x%x\n",
683 					CTrsp->CommandResponse.bits.CmdRsp,
684 					(uint32_t) CTrsp->ReasonCode,
685 					(uint32_t) CTrsp->Explanation,
686 					vport->fc_flag);
687 
688 				lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
689 				"GID_FT rsp err1  cmd:x%x rsn:x%x exp:x%x",
690 				(uint32_t)CTrsp->CommandResponse.bits.CmdRsp,
691 				(uint32_t) CTrsp->ReasonCode,
692 				(uint32_t) CTrsp->Explanation);
693 			}
694 
695 
696 		} else {
697 			/* NameServer Rsp Error */
698 			lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
699 					"0241 NameServer Rsp Error "
700 					"Data: x%x x%x x%x x%x\n",
701 					CTrsp->CommandResponse.bits.CmdRsp,
702 					(uint32_t) CTrsp->ReasonCode,
703 					(uint32_t) CTrsp->Explanation,
704 					vport->fc_flag);
705 
706 			lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
707 				"GID_FT rsp err2  cmd:x%x rsn:x%x exp:x%x",
708 				(uint32_t)CTrsp->CommandResponse.bits.CmdRsp,
709 				(uint32_t) CTrsp->ReasonCode,
710 				(uint32_t) CTrsp->Explanation);
711 		}
712 	}
713 	/* Link up / RSCN discovery */
714 	if (vport->num_disc_nodes == 0) {
715 		/*
716 		 * The driver has cycled through all Nports in the RSCN payload.
717 		 * Complete the handling by cleaning up and marking the
718 		 * current driver state.
719 		 */
720 		if (vport->port_state >= LPFC_DISC_AUTH) {
721 			if (vport->fc_flag & FC_RSCN_MODE) {
722 				lpfc_els_flush_rscn(vport);
723 				spin_lock_irq(shost->host_lock);
724 				vport->fc_flag |= FC_RSCN_MODE; /* RSCN still */
725 				spin_unlock_irq(shost->host_lock);
726 			}
727 			else
728 				lpfc_els_flush_rscn(vport);
729 		}
730 
731 		lpfc_disc_start(vport);
732 	}
733 out:
734 	cmdiocb->context_un.ndlp = ndlp; /* Now restore ndlp for free */
735 	lpfc_ct_free_iocb(phba, cmdiocb);
736 	return;
737 }
738 
739 static void
740 lpfc_cmpl_ct_cmd_gff_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
741 			struct lpfc_iocbq *rspiocb)
742 {
743 	struct lpfc_vport *vport = cmdiocb->vport;
744 	struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
745 	IOCB_t *irsp = &rspiocb->iocb;
746 	struct lpfc_dmabuf *inp = (struct lpfc_dmabuf *) cmdiocb->context1;
747 	struct lpfc_dmabuf *outp = (struct lpfc_dmabuf *) cmdiocb->context2;
748 	struct lpfc_sli_ct_request *CTrsp;
749 	int did, rc, retry;
750 	uint8_t fbits;
751 	struct lpfc_nodelist *ndlp;
752 
753 	did = ((struct lpfc_sli_ct_request *) inp->virt)->un.gff.PortId;
754 	did = be32_to_cpu(did);
755 
756 	lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
757 		"GFF_ID cmpl:     status:x%x/x%x did:x%x",
758 		irsp->ulpStatus, irsp->un.ulpWord[4], did);
759 
760 	if (irsp->ulpStatus == IOSTAT_SUCCESS) {
761 		/* Good status, continue checking */
762 		CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
763 		fbits = CTrsp->un.gff_acc.fbits[FCP_TYPE_FEATURE_OFFSET];
764 
765 		if (CTrsp->CommandResponse.bits.CmdRsp ==
766 		    be16_to_cpu(SLI_CT_RESPONSE_FS_ACC)) {
767 			if ((fbits & FC4_FEATURE_INIT) &&
768 			    !(fbits & FC4_FEATURE_TARGET)) {
769 				lpfc_printf_vlog(vport, KERN_INFO,
770 						 LOG_DISCOVERY,
771 						 "0270 Skip x%x GFF "
772 						 "NameServer Rsp Data: (init) "
773 						 "x%x x%x\n", did, fbits,
774 						 vport->fc_rscn_id_cnt);
775 				goto out;
776 			}
777 		}
778 	}
779 	else {
780 		/* Check for retry */
781 		if (cmdiocb->retry < LPFC_MAX_NS_RETRY) {
782 			retry = 1;
783 			if (irsp->ulpStatus == IOSTAT_LOCAL_REJECT) {
784 				switch (irsp->un.ulpWord[4]) {
785 				case IOERR_NO_RESOURCES:
786 					/* We don't increment the retry
787 					 * count for this case.
788 					 */
789 					break;
790 				case IOERR_LINK_DOWN:
791 				case IOERR_SLI_ABORTED:
792 				case IOERR_SLI_DOWN:
793 					retry = 0;
794 					break;
795 				default:
796 					cmdiocb->retry++;
797 				}
798 			}
799 			else
800 				cmdiocb->retry++;
801 
802 			if (retry) {
803 				/* CT command is being retried */
804 				rc = lpfc_ns_cmd(vport, SLI_CTNS_GFF_ID,
805 					 cmdiocb->retry, did);
806 				if (rc == 0) {
807 					/* success */
808 					lpfc_ct_free_iocb(phba, cmdiocb);
809 					return;
810 				}
811 			}
812 		}
813 		lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
814 				 "0267 NameServer GFF Rsp "
815 				 "x%x Error (%d %d) Data: x%x x%x\n",
816 				 did, irsp->ulpStatus, irsp->un.ulpWord[4],
817 				 vport->fc_flag, vport->fc_rscn_id_cnt);
818 	}
819 
820 	/* This is a target port, unregistered port, or the GFF_ID failed */
821 	ndlp = lpfc_setup_disc_node(vport, did);
822 	if (ndlp && NLP_CHK_NODE_ACT(ndlp)) {
823 		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
824 				 "0242 Process x%x GFF "
825 				 "NameServer Rsp Data: x%x x%x x%x\n",
826 				 did, ndlp->nlp_flag, vport->fc_flag,
827 				 vport->fc_rscn_id_cnt);
828 	} else {
829 		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
830 				 "0243 Skip x%x GFF "
831 				 "NameServer Rsp Data: x%x x%x\n", did,
832 				 vport->fc_flag, vport->fc_rscn_id_cnt);
833 	}
834 out:
835 	/* Link up / RSCN discovery */
836 	if (vport->num_disc_nodes)
837 		vport->num_disc_nodes--;
838 	if (vport->num_disc_nodes == 0) {
839 		/*
840 		 * The driver has cycled through all Nports in the RSCN payload.
841 		 * Complete the handling by cleaning up and marking the
842 		 * current driver state.
843 		 */
844 		if (vport->port_state >= LPFC_DISC_AUTH) {
845 			if (vport->fc_flag & FC_RSCN_MODE) {
846 				lpfc_els_flush_rscn(vport);
847 				spin_lock_irq(shost->host_lock);
848 				vport->fc_flag |= FC_RSCN_MODE; /* RSCN still */
849 				spin_unlock_irq(shost->host_lock);
850 			}
851 			else
852 				lpfc_els_flush_rscn(vport);
853 		}
854 		lpfc_disc_start(vport);
855 	}
856 	lpfc_ct_free_iocb(phba, cmdiocb);
857 	return;
858 }
859 
860 
861 static void
862 lpfc_cmpl_ct(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
863 	     struct lpfc_iocbq *rspiocb)
864 {
865 	struct lpfc_vport *vport = cmdiocb->vport;
866 	struct lpfc_dmabuf *inp;
867 	struct lpfc_dmabuf *outp;
868 	IOCB_t *irsp;
869 	struct lpfc_sli_ct_request *CTrsp;
870 	struct lpfc_nodelist *ndlp;
871 	int cmdcode, rc;
872 	uint8_t retry;
873 	uint32_t latt;
874 
875 	/* First save ndlp, before we overwrite it */
876 	ndlp = cmdiocb->context_un.ndlp;
877 
878 	/* we pass cmdiocb to state machine which needs rspiocb as well */
879 	cmdiocb->context_un.rsp_iocb = rspiocb;
880 
881 	inp = (struct lpfc_dmabuf *) cmdiocb->context1;
882 	outp = (struct lpfc_dmabuf *) cmdiocb->context2;
883 	irsp = &rspiocb->iocb;
884 
885 	cmdcode = be16_to_cpu(((struct lpfc_sli_ct_request *) inp->virt)->
886 					CommandResponse.bits.CmdRsp);
887 	CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
888 
889 	latt = lpfc_els_chk_latt(vport);
890 
891 	/* RFT request completes status <ulpStatus> CmdRsp <CmdRsp> */
892 	lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
893 			 "0209 CT Request completes, latt %d, "
894 			 "ulpStatus x%x CmdRsp x%x, Context x%x, Tag x%x\n",
895 			 latt, irsp->ulpStatus,
896 			 CTrsp->CommandResponse.bits.CmdRsp,
897 			 cmdiocb->iocb.ulpContext, cmdiocb->iocb.ulpIoTag);
898 
899 	lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
900 		"CT cmd cmpl:     status:x%x/x%x cmd:x%x",
901 		irsp->ulpStatus, irsp->un.ulpWord[4], cmdcode);
902 
903 	if (irsp->ulpStatus) {
904 		lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
905 				 "0268 NS cmd %x Error (%d %d)\n",
906 				 cmdcode, irsp->ulpStatus, irsp->un.ulpWord[4]);
907 
908 		if ((irsp->ulpStatus == IOSTAT_LOCAL_REJECT) &&
909 			((irsp->un.ulpWord[4] == IOERR_SLI_DOWN) ||
910 			 (irsp->un.ulpWord[4] == IOERR_SLI_ABORTED)))
911 			goto out;
912 
913 		retry = cmdiocb->retry;
914 		if (retry >= LPFC_MAX_NS_RETRY)
915 			goto out;
916 
917 		retry++;
918 		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
919 				 "0250 Retrying NS cmd %x\n", cmdcode);
920 		rc = lpfc_ns_cmd(vport, cmdcode, retry, 0);
921 		if (rc == 0)
922 			goto out;
923 	}
924 
925 out:
926 	cmdiocb->context_un.ndlp = ndlp; /* Now restore ndlp for free */
927 	lpfc_ct_free_iocb(phba, cmdiocb);
928 	return;
929 }
930 
931 static void
932 lpfc_cmpl_ct_cmd_rft_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
933 			struct lpfc_iocbq *rspiocb)
934 {
935 	IOCB_t *irsp = &rspiocb->iocb;
936 	struct lpfc_vport *vport = cmdiocb->vport;
937 
938 	if (irsp->ulpStatus == IOSTAT_SUCCESS) {
939 		struct lpfc_dmabuf *outp;
940 		struct lpfc_sli_ct_request *CTrsp;
941 
942 		outp = (struct lpfc_dmabuf *) cmdiocb->context2;
943 		CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
944 		if (CTrsp->CommandResponse.bits.CmdRsp ==
945 		    be16_to_cpu(SLI_CT_RESPONSE_FS_ACC))
946 			vport->ct_flags |= FC_CT_RFT_ID;
947 	}
948 	lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
949 	return;
950 }
951 
952 static void
953 lpfc_cmpl_ct_cmd_rnn_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
954 			struct lpfc_iocbq *rspiocb)
955 {
956 	IOCB_t *irsp = &rspiocb->iocb;
957 	struct lpfc_vport *vport = cmdiocb->vport;
958 
959 	if (irsp->ulpStatus == IOSTAT_SUCCESS) {
960 		struct lpfc_dmabuf *outp;
961 		struct lpfc_sli_ct_request *CTrsp;
962 
963 		outp = (struct lpfc_dmabuf *) cmdiocb->context2;
964 		CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
965 		if (CTrsp->CommandResponse.bits.CmdRsp ==
966 		    be16_to_cpu(SLI_CT_RESPONSE_FS_ACC))
967 			vport->ct_flags |= FC_CT_RNN_ID;
968 	}
969 	lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
970 	return;
971 }
972 
973 static void
974 lpfc_cmpl_ct_cmd_rspn_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
975 			 struct lpfc_iocbq *rspiocb)
976 {
977 	IOCB_t *irsp = &rspiocb->iocb;
978 	struct lpfc_vport *vport = cmdiocb->vport;
979 
980 	if (irsp->ulpStatus == IOSTAT_SUCCESS) {
981 		struct lpfc_dmabuf *outp;
982 		struct lpfc_sli_ct_request *CTrsp;
983 
984 		outp = (struct lpfc_dmabuf *) cmdiocb->context2;
985 		CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
986 		if (CTrsp->CommandResponse.bits.CmdRsp ==
987 		    be16_to_cpu(SLI_CT_RESPONSE_FS_ACC))
988 			vport->ct_flags |= FC_CT_RSPN_ID;
989 	}
990 	lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
991 	return;
992 }
993 
994 static void
995 lpfc_cmpl_ct_cmd_rsnn_nn(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
996 			 struct lpfc_iocbq *rspiocb)
997 {
998 	IOCB_t *irsp = &rspiocb->iocb;
999 	struct lpfc_vport *vport = cmdiocb->vport;
1000 
1001 	if (irsp->ulpStatus == IOSTAT_SUCCESS) {
1002 		struct lpfc_dmabuf *outp;
1003 		struct lpfc_sli_ct_request *CTrsp;
1004 
1005 		outp = (struct lpfc_dmabuf *) cmdiocb->context2;
1006 		CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
1007 		if (CTrsp->CommandResponse.bits.CmdRsp ==
1008 		    be16_to_cpu(SLI_CT_RESPONSE_FS_ACC))
1009 			vport->ct_flags |= FC_CT_RSNN_NN;
1010 	}
1011 	lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1012 	return;
1013 }
1014 
1015 static void
1016 lpfc_cmpl_ct_cmd_da_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1017  struct lpfc_iocbq *rspiocb)
1018 {
1019 	struct lpfc_vport *vport = cmdiocb->vport;
1020 
1021 	/* even if it fails we will act as though it succeeded. */
1022 	vport->ct_flags = 0;
1023 	lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1024 	return;
1025 }
1026 
1027 static void
1028 lpfc_cmpl_ct_cmd_rff_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1029 			struct lpfc_iocbq *rspiocb)
1030 {
1031 	IOCB_t *irsp = &rspiocb->iocb;
1032 	struct lpfc_vport *vport = cmdiocb->vport;
1033 
1034 	if (irsp->ulpStatus == IOSTAT_SUCCESS) {
1035 		struct lpfc_dmabuf *outp;
1036 		struct lpfc_sli_ct_request *CTrsp;
1037 
1038 		outp = (struct lpfc_dmabuf *) cmdiocb->context2;
1039 		CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
1040 		if (CTrsp->CommandResponse.bits.CmdRsp ==
1041 		    be16_to_cpu(SLI_CT_RESPONSE_FS_ACC))
1042 			vport->ct_flags |= FC_CT_RFF_ID;
1043 	}
1044 	lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1045 	return;
1046 }
1047 
1048 int
1049 lpfc_vport_symbolic_port_name(struct lpfc_vport *vport, char *symbol,
1050 	size_t size)
1051 {
1052 	int n;
1053 	uint8_t *wwn = vport->phba->wwpn;
1054 
1055 	n = snprintf(symbol, size,
1056 		     "Emulex PPN-%02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x",
1057 		     wwn[0], wwn[1], wwn[2], wwn[3],
1058 		     wwn[4], wwn[5], wwn[6], wwn[7]);
1059 
1060 	if (vport->port_type == LPFC_PHYSICAL_PORT)
1061 		return n;
1062 
1063 	if (n < size)
1064 		n += snprintf(symbol + n, size - n, " VPort-%d", vport->vpi);
1065 
1066 	if (n < size &&
1067 	    strlen(vport->fc_vport->symbolic_name))
1068 		n += snprintf(symbol + n, size - n, " VName-%s",
1069 			      vport->fc_vport->symbolic_name);
1070 	return n;
1071 }
1072 
1073 int
1074 lpfc_vport_symbolic_node_name(struct lpfc_vport *vport, char *symbol,
1075 	size_t size)
1076 {
1077 	char fwrev[16];
1078 	int n;
1079 
1080 	lpfc_decode_firmware_rev(vport->phba, fwrev, 0);
1081 
1082 	n = snprintf(symbol, size, "Emulex %s FV%s DV%s",
1083 		vport->phba->ModelName, fwrev, lpfc_release_version);
1084 	return n;
1085 }
1086 
1087 /*
1088  * lpfc_ns_cmd
1089  * Description:
1090  *    Issue Cmd to NameServer
1091  *       SLI_CTNS_GID_FT
1092  *       LI_CTNS_RFT_ID
1093  */
1094 int
1095 lpfc_ns_cmd(struct lpfc_vport *vport, int cmdcode,
1096 	    uint8_t retry, uint32_t context)
1097 {
1098 	struct lpfc_nodelist * ndlp;
1099 	struct lpfc_hba *phba = vport->phba;
1100 	struct lpfc_dmabuf *mp, *bmp;
1101 	struct lpfc_sli_ct_request *CtReq;
1102 	struct ulp_bde64 *bpl;
1103 	void (*cmpl) (struct lpfc_hba *, struct lpfc_iocbq *,
1104 		      struct lpfc_iocbq *) = NULL;
1105 	uint32_t rsp_size = 1024;
1106 	size_t   size;
1107 	int rc = 0;
1108 
1109 	ndlp = lpfc_findnode_did(vport, NameServer_DID);
1110 	if (!ndlp || !NLP_CHK_NODE_ACT(ndlp)
1111 	    || ndlp->nlp_state != NLP_STE_UNMAPPED_NODE) {
1112 		rc=1;
1113 		goto ns_cmd_exit;
1114 	}
1115 
1116 	/* fill in BDEs for command */
1117 	/* Allocate buffer for command payload */
1118 	mp = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
1119 	if (!mp) {
1120 		rc=2;
1121 		goto ns_cmd_exit;
1122 	}
1123 
1124 	INIT_LIST_HEAD(&mp->list);
1125 	mp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &(mp->phys));
1126 	if (!mp->virt) {
1127 		rc=3;
1128 		goto ns_cmd_free_mp;
1129 	}
1130 
1131 	/* Allocate buffer for Buffer ptr list */
1132 	bmp = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
1133 	if (!bmp) {
1134 		rc=4;
1135 		goto ns_cmd_free_mpvirt;
1136 	}
1137 
1138 	INIT_LIST_HEAD(&bmp->list);
1139 	bmp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &(bmp->phys));
1140 	if (!bmp->virt) {
1141 		rc=5;
1142 		goto ns_cmd_free_bmp;
1143 	}
1144 
1145 	/* NameServer Req */
1146 	lpfc_printf_vlog(vport, KERN_INFO ,LOG_DISCOVERY,
1147 			 "0236 NameServer Req Data: x%x x%x x%x\n",
1148 			 cmdcode, vport->fc_flag, vport->fc_rscn_id_cnt);
1149 
1150 	bpl = (struct ulp_bde64 *) bmp->virt;
1151 	memset(bpl, 0, sizeof(struct ulp_bde64));
1152 	bpl->addrHigh = le32_to_cpu(putPaddrHigh(mp->phys) );
1153 	bpl->addrLow = le32_to_cpu(putPaddrLow(mp->phys) );
1154 	bpl->tus.f.bdeFlags = 0;
1155 	if (cmdcode == SLI_CTNS_GID_FT)
1156 		bpl->tus.f.bdeSize = GID_REQUEST_SZ;
1157 	else if (cmdcode == SLI_CTNS_GFF_ID)
1158 		bpl->tus.f.bdeSize = GFF_REQUEST_SZ;
1159 	else if (cmdcode == SLI_CTNS_RFT_ID)
1160 		bpl->tus.f.bdeSize = RFT_REQUEST_SZ;
1161 	else if (cmdcode == SLI_CTNS_RNN_ID)
1162 		bpl->tus.f.bdeSize = RNN_REQUEST_SZ;
1163 	else if (cmdcode == SLI_CTNS_RSPN_ID)
1164 		bpl->tus.f.bdeSize = RSPN_REQUEST_SZ;
1165 	else if (cmdcode == SLI_CTNS_RSNN_NN)
1166 		bpl->tus.f.bdeSize = RSNN_REQUEST_SZ;
1167 	else if (cmdcode == SLI_CTNS_DA_ID)
1168 		bpl->tus.f.bdeSize = DA_ID_REQUEST_SZ;
1169 	else if (cmdcode == SLI_CTNS_RFF_ID)
1170 		bpl->tus.f.bdeSize = RFF_REQUEST_SZ;
1171 	else
1172 		bpl->tus.f.bdeSize = 0;
1173 	bpl->tus.w = le32_to_cpu(bpl->tus.w);
1174 
1175 	CtReq = (struct lpfc_sli_ct_request *) mp->virt;
1176 	memset(CtReq, 0, sizeof (struct lpfc_sli_ct_request));
1177 	CtReq->RevisionId.bits.Revision = SLI_CT_REVISION;
1178 	CtReq->RevisionId.bits.InId = 0;
1179 	CtReq->FsType = SLI_CT_DIRECTORY_SERVICE;
1180 	CtReq->FsSubType = SLI_CT_DIRECTORY_NAME_SERVER;
1181 	CtReq->CommandResponse.bits.Size = 0;
1182 	switch (cmdcode) {
1183 	case SLI_CTNS_GID_FT:
1184 		CtReq->CommandResponse.bits.CmdRsp =
1185 		    be16_to_cpu(SLI_CTNS_GID_FT);
1186 		CtReq->un.gid.Fc4Type = SLI_CTPT_FCP;
1187 		if (vport->port_state < LPFC_NS_QRY)
1188 			vport->port_state = LPFC_NS_QRY;
1189 		lpfc_set_disctmo(vport);
1190 		cmpl = lpfc_cmpl_ct_cmd_gid_ft;
1191 		rsp_size = FC_MAX_NS_RSP;
1192 		break;
1193 
1194 	case SLI_CTNS_GFF_ID:
1195 		CtReq->CommandResponse.bits.CmdRsp =
1196 			be16_to_cpu(SLI_CTNS_GFF_ID);
1197 		CtReq->un.gff.PortId = cpu_to_be32(context);
1198 		cmpl = lpfc_cmpl_ct_cmd_gff_id;
1199 		break;
1200 
1201 	case SLI_CTNS_RFT_ID:
1202 		vport->ct_flags &= ~FC_CT_RFT_ID;
1203 		CtReq->CommandResponse.bits.CmdRsp =
1204 		    be16_to_cpu(SLI_CTNS_RFT_ID);
1205 		CtReq->un.rft.PortId = cpu_to_be32(vport->fc_myDID);
1206 		CtReq->un.rft.fcpReg = 1;
1207 		cmpl = lpfc_cmpl_ct_cmd_rft_id;
1208 		break;
1209 
1210 	case SLI_CTNS_RNN_ID:
1211 		vport->ct_flags &= ~FC_CT_RNN_ID;
1212 		CtReq->CommandResponse.bits.CmdRsp =
1213 		    be16_to_cpu(SLI_CTNS_RNN_ID);
1214 		CtReq->un.rnn.PortId = cpu_to_be32(vport->fc_myDID);
1215 		memcpy(CtReq->un.rnn.wwnn,  &vport->fc_nodename,
1216 		       sizeof (struct lpfc_name));
1217 		cmpl = lpfc_cmpl_ct_cmd_rnn_id;
1218 		break;
1219 
1220 	case SLI_CTNS_RSPN_ID:
1221 		vport->ct_flags &= ~FC_CT_RSPN_ID;
1222 		CtReq->CommandResponse.bits.CmdRsp =
1223 		    be16_to_cpu(SLI_CTNS_RSPN_ID);
1224 		CtReq->un.rspn.PortId = cpu_to_be32(vport->fc_myDID);
1225 		size = sizeof(CtReq->un.rspn.symbname);
1226 		CtReq->un.rspn.len =
1227 			lpfc_vport_symbolic_port_name(vport,
1228 			CtReq->un.rspn.symbname, size);
1229 		cmpl = lpfc_cmpl_ct_cmd_rspn_id;
1230 		break;
1231 	case SLI_CTNS_RSNN_NN:
1232 		vport->ct_flags &= ~FC_CT_RSNN_NN;
1233 		CtReq->CommandResponse.bits.CmdRsp =
1234 		    be16_to_cpu(SLI_CTNS_RSNN_NN);
1235 		memcpy(CtReq->un.rsnn.wwnn, &vport->fc_nodename,
1236 		       sizeof (struct lpfc_name));
1237 		size = sizeof(CtReq->un.rsnn.symbname);
1238 		CtReq->un.rsnn.len =
1239 			lpfc_vport_symbolic_node_name(vport,
1240 			CtReq->un.rsnn.symbname, size);
1241 		cmpl = lpfc_cmpl_ct_cmd_rsnn_nn;
1242 		break;
1243 	case SLI_CTNS_DA_ID:
1244 		/* Implement DA_ID Nameserver request */
1245 		CtReq->CommandResponse.bits.CmdRsp =
1246 			be16_to_cpu(SLI_CTNS_DA_ID);
1247 		CtReq->un.da_id.port_id = cpu_to_be32(vport->fc_myDID);
1248 		cmpl = lpfc_cmpl_ct_cmd_da_id;
1249 		break;
1250 	case SLI_CTNS_RFF_ID:
1251 		vport->ct_flags &= ~FC_CT_RFF_ID;
1252 		CtReq->CommandResponse.bits.CmdRsp =
1253 		    be16_to_cpu(SLI_CTNS_RFF_ID);
1254 		CtReq->un.rff.PortId = cpu_to_be32(vport->fc_myDID);
1255 		CtReq->un.rff.fbits = FC4_FEATURE_INIT;
1256 		CtReq->un.rff.type_code = FC_TYPE_FCP;
1257 		cmpl = lpfc_cmpl_ct_cmd_rff_id;
1258 		break;
1259 	}
1260 	/* The lpfc_ct_cmd/lpfc_get_req shall increment ndlp reference count
1261 	 * to hold ndlp reference for the corresponding callback function.
1262 	 */
1263 	if (!lpfc_ct_cmd(vport, mp, bmp, ndlp, cmpl, rsp_size, retry)) {
1264 		/* On success, The cmpl function will free the buffers */
1265 		lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
1266 			"Issue CT cmd:    cmd:x%x did:x%x",
1267 			cmdcode, ndlp->nlp_DID, 0);
1268 		return 0;
1269 	}
1270 	rc=6;
1271 
1272 	/* Decrement ndlp reference count to release ndlp reference held
1273 	 * for the failed command's callback function.
1274 	 */
1275 	lpfc_nlp_put(ndlp);
1276 
1277 	lpfc_mbuf_free(phba, bmp->virt, bmp->phys);
1278 ns_cmd_free_bmp:
1279 	kfree(bmp);
1280 ns_cmd_free_mpvirt:
1281 	lpfc_mbuf_free(phba, mp->virt, mp->phys);
1282 ns_cmd_free_mp:
1283 	kfree(mp);
1284 ns_cmd_exit:
1285 	lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
1286 			 "0266 Issue NameServer Req x%x err %d Data: x%x x%x\n",
1287 			 cmdcode, rc, vport->fc_flag, vport->fc_rscn_id_cnt);
1288 	return 1;
1289 }
1290 
1291 static void
1292 lpfc_cmpl_ct_cmd_fdmi(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1293 		      struct lpfc_iocbq * rspiocb)
1294 {
1295 	struct lpfc_dmabuf *inp = cmdiocb->context1;
1296 	struct lpfc_dmabuf *outp = cmdiocb->context2;
1297 	struct lpfc_sli_ct_request *CTrsp = outp->virt;
1298 	struct lpfc_sli_ct_request *CTcmd = inp->virt;
1299 	struct lpfc_nodelist *ndlp;
1300 	uint16_t fdmi_cmd = CTcmd->CommandResponse.bits.CmdRsp;
1301 	uint16_t fdmi_rsp = CTrsp->CommandResponse.bits.CmdRsp;
1302 	struct lpfc_vport *vport = cmdiocb->vport;
1303 	IOCB_t *irsp = &rspiocb->iocb;
1304 	uint32_t latt;
1305 
1306 	latt = lpfc_els_chk_latt(vport);
1307 
1308 	lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
1309 		"FDMI cmpl:       status:x%x/x%x latt:%d",
1310 		irsp->ulpStatus, irsp->un.ulpWord[4], latt);
1311 
1312 	if (latt || irsp->ulpStatus) {
1313 		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1314 				 "0229 FDMI cmd %04x failed, latt = %d "
1315 				 "ulpStatus: x%x, rid x%x\n",
1316 				 be16_to_cpu(fdmi_cmd), latt, irsp->ulpStatus,
1317 				 irsp->un.ulpWord[4]);
1318 		lpfc_ct_free_iocb(phba, cmdiocb);
1319 		return;
1320 	}
1321 
1322 	ndlp = lpfc_findnode_did(vport, FDMI_DID);
1323 	if (!ndlp || !NLP_CHK_NODE_ACT(ndlp))
1324 		goto fail_out;
1325 
1326 	if (fdmi_rsp == be16_to_cpu(SLI_CT_RESPONSE_FS_RJT)) {
1327 		/* FDMI rsp failed */
1328 		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1329 				 "0220 FDMI rsp failed Data: x%x\n",
1330 				 be16_to_cpu(fdmi_cmd));
1331 	}
1332 
1333 	switch (be16_to_cpu(fdmi_cmd)) {
1334 	case SLI_MGMT_RHBA:
1335 		lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RPA);
1336 		break;
1337 
1338 	case SLI_MGMT_RPA:
1339 		break;
1340 
1341 	case SLI_MGMT_DHBA:
1342 		lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DPRT);
1343 		break;
1344 
1345 	case SLI_MGMT_DPRT:
1346 		lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RHBA);
1347 		break;
1348 	}
1349 
1350 fail_out:
1351 	lpfc_ct_free_iocb(phba, cmdiocb);
1352 	return;
1353 }
1354 
1355 int
1356 lpfc_fdmi_cmd(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, int cmdcode)
1357 {
1358 	struct lpfc_hba *phba = vport->phba;
1359 	struct lpfc_dmabuf *mp, *bmp;
1360 	struct lpfc_sli_ct_request *CtReq;
1361 	struct ulp_bde64 *bpl;
1362 	uint32_t size;
1363 	REG_HBA *rh;
1364 	PORT_ENTRY *pe;
1365 	REG_PORT_ATTRIBUTE *pab;
1366 	ATTRIBUTE_BLOCK *ab;
1367 	ATTRIBUTE_ENTRY *ae;
1368 	void (*cmpl) (struct lpfc_hba *, struct lpfc_iocbq *,
1369 		      struct lpfc_iocbq *);
1370 
1371 
1372 	/* fill in BDEs for command */
1373 	/* Allocate buffer for command payload */
1374 	mp = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
1375 	if (!mp)
1376 		goto fdmi_cmd_exit;
1377 
1378 	mp->virt = lpfc_mbuf_alloc(phba, 0, &(mp->phys));
1379 	if (!mp->virt)
1380 		goto fdmi_cmd_free_mp;
1381 
1382 	/* Allocate buffer for Buffer ptr list */
1383 	bmp = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
1384 	if (!bmp)
1385 		goto fdmi_cmd_free_mpvirt;
1386 
1387 	bmp->virt = lpfc_mbuf_alloc(phba, 0, &(bmp->phys));
1388 	if (!bmp->virt)
1389 		goto fdmi_cmd_free_bmp;
1390 
1391 	INIT_LIST_HEAD(&mp->list);
1392 	INIT_LIST_HEAD(&bmp->list);
1393 
1394 	/* FDMI request */
1395 	lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1396 			 "0218 FDMI Request Data: x%x x%x x%x\n",
1397 			 vport->fc_flag, vport->port_state, cmdcode);
1398 	CtReq = (struct lpfc_sli_ct_request *) mp->virt;
1399 
1400 	memset(CtReq, 0, sizeof(struct lpfc_sli_ct_request));
1401 	CtReq->RevisionId.bits.Revision = SLI_CT_REVISION;
1402 	CtReq->RevisionId.bits.InId = 0;
1403 
1404 	CtReq->FsType = SLI_CT_MANAGEMENT_SERVICE;
1405 	CtReq->FsSubType = SLI_CT_FDMI_Subtypes;
1406 	size = 0;
1407 
1408 	switch (cmdcode) {
1409 	case SLI_MGMT_RHBA:
1410 		{
1411 			lpfc_vpd_t *vp = &phba->vpd;
1412 			uint32_t i, j, incr;
1413 			int len;
1414 
1415 			CtReq->CommandResponse.bits.CmdRsp =
1416 			    be16_to_cpu(SLI_MGMT_RHBA);
1417 			CtReq->CommandResponse.bits.Size = 0;
1418 			rh = (REG_HBA *) & CtReq->un.PortID;
1419 			memcpy(&rh->hi.PortName, &vport->fc_sparam.portName,
1420 			       sizeof (struct lpfc_name));
1421 			/* One entry (port) per adapter */
1422 			rh->rpl.EntryCnt = be32_to_cpu(1);
1423 			memcpy(&rh->rpl.pe, &vport->fc_sparam.portName,
1424 			       sizeof (struct lpfc_name));
1425 
1426 			/* point to the HBA attribute block */
1427 			size = 2 * sizeof (struct lpfc_name) + FOURBYTES;
1428 			ab = (ATTRIBUTE_BLOCK *) ((uint8_t *) rh + size);
1429 			ab->EntryCnt = 0;
1430 
1431 			/* Point to the beginning of the first HBA attribute
1432 			   entry */
1433 			/* #1 HBA attribute entry */
1434 			size += FOURBYTES;
1435 			ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size);
1436 			ae->ad.bits.AttrType = be16_to_cpu(NODE_NAME);
1437 			ae->ad.bits.AttrLen =  be16_to_cpu(FOURBYTES
1438 						+ sizeof (struct lpfc_name));
1439 			memcpy(&ae->un.NodeName, &vport->fc_sparam.nodeName,
1440 			       sizeof (struct lpfc_name));
1441 			ab->EntryCnt++;
1442 			size += FOURBYTES + sizeof (struct lpfc_name);
1443 
1444 			/* #2 HBA attribute entry */
1445 			ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size);
1446 			ae->ad.bits.AttrType = be16_to_cpu(MANUFACTURER);
1447 			strcpy(ae->un.Manufacturer, "Emulex Corporation");
1448 			len = strlen(ae->un.Manufacturer);
1449 			len += (len & 3) ? (4 - (len & 3)) : 4;
1450 			ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + len);
1451 			ab->EntryCnt++;
1452 			size += FOURBYTES + len;
1453 
1454 			/* #3 HBA attribute entry */
1455 			ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size);
1456 			ae->ad.bits.AttrType = be16_to_cpu(SERIAL_NUMBER);
1457 			strcpy(ae->un.SerialNumber, phba->SerialNumber);
1458 			len = strlen(ae->un.SerialNumber);
1459 			len += (len & 3) ? (4 - (len & 3)) : 4;
1460 			ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + len);
1461 			ab->EntryCnt++;
1462 			size += FOURBYTES + len;
1463 
1464 			/* #4 HBA attribute entry */
1465 			ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size);
1466 			ae->ad.bits.AttrType = be16_to_cpu(MODEL);
1467 			strcpy(ae->un.Model, phba->ModelName);
1468 			len = strlen(ae->un.Model);
1469 			len += (len & 3) ? (4 - (len & 3)) : 4;
1470 			ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + len);
1471 			ab->EntryCnt++;
1472 			size += FOURBYTES + len;
1473 
1474 			/* #5 HBA attribute entry */
1475 			ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size);
1476 			ae->ad.bits.AttrType = be16_to_cpu(MODEL_DESCRIPTION);
1477 			strcpy(ae->un.ModelDescription, phba->ModelDesc);
1478 			len = strlen(ae->un.ModelDescription);
1479 			len += (len & 3) ? (4 - (len & 3)) : 4;
1480 			ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + len);
1481 			ab->EntryCnt++;
1482 			size += FOURBYTES + len;
1483 
1484 			/* #6 HBA attribute entry */
1485 			ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size);
1486 			ae->ad.bits.AttrType = be16_to_cpu(HARDWARE_VERSION);
1487 			ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + 8);
1488 			/* Convert JEDEC ID to ascii for hardware version */
1489 			incr = vp->rev.biuRev;
1490 			for (i = 0; i < 8; i++) {
1491 				j = (incr & 0xf);
1492 				if (j <= 9)
1493 					ae->un.HardwareVersion[7 - i] =
1494 					    (char)((uint8_t) 0x30 +
1495 						   (uint8_t) j);
1496 				else
1497 					ae->un.HardwareVersion[7 - i] =
1498 					    (char)((uint8_t) 0x61 +
1499 						   (uint8_t) (j - 10));
1500 				incr = (incr >> 4);
1501 			}
1502 			ab->EntryCnt++;
1503 			size += FOURBYTES + 8;
1504 
1505 			/* #7 HBA attribute entry */
1506 			ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size);
1507 			ae->ad.bits.AttrType = be16_to_cpu(DRIVER_VERSION);
1508 			strcpy(ae->un.DriverVersion, lpfc_release_version);
1509 			len = strlen(ae->un.DriverVersion);
1510 			len += (len & 3) ? (4 - (len & 3)) : 4;
1511 			ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + len);
1512 			ab->EntryCnt++;
1513 			size += FOURBYTES + len;
1514 
1515 			/* #8 HBA attribute entry */
1516 			ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size);
1517 			ae->ad.bits.AttrType = be16_to_cpu(OPTION_ROM_VERSION);
1518 			strcpy(ae->un.OptionROMVersion, phba->OptionROMVersion);
1519 			len = strlen(ae->un.OptionROMVersion);
1520 			len += (len & 3) ? (4 - (len & 3)) : 4;
1521 			ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + len);
1522 			ab->EntryCnt++;
1523 			size += FOURBYTES + len;
1524 
1525 			/* #9 HBA attribute entry */
1526 			ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size);
1527 			ae->ad.bits.AttrType = be16_to_cpu(FIRMWARE_VERSION);
1528 			lpfc_decode_firmware_rev(phba, ae->un.FirmwareVersion,
1529 				1);
1530 			len = strlen(ae->un.FirmwareVersion);
1531 			len += (len & 3) ? (4 - (len & 3)) : 4;
1532 			ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + len);
1533 			ab->EntryCnt++;
1534 			size += FOURBYTES + len;
1535 
1536 			/* #10 HBA attribute entry */
1537 			ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size);
1538 			ae->ad.bits.AttrType = be16_to_cpu(OS_NAME_VERSION);
1539 			sprintf(ae->un.OsNameVersion, "%s %s %s",
1540 				init_utsname()->sysname,
1541 				init_utsname()->release,
1542 				init_utsname()->version);
1543 			len = strlen(ae->un.OsNameVersion);
1544 			len += (len & 3) ? (4 - (len & 3)) : 4;
1545 			ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + len);
1546 			ab->EntryCnt++;
1547 			size += FOURBYTES + len;
1548 
1549 			/* #11 HBA attribute entry */
1550 			ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size);
1551 			ae->ad.bits.AttrType = be16_to_cpu(MAX_CT_PAYLOAD_LEN);
1552 			ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + 4);
1553 			ae->un.MaxCTPayloadLen = (65 * 4096);
1554 			ab->EntryCnt++;
1555 			size += FOURBYTES + 4;
1556 
1557 			ab->EntryCnt = be32_to_cpu(ab->EntryCnt);
1558 			/* Total size */
1559 			size = GID_REQUEST_SZ - 4 + size;
1560 		}
1561 		break;
1562 
1563 	case SLI_MGMT_RPA:
1564 		{
1565 			lpfc_vpd_t *vp;
1566 			struct serv_parm *hsp;
1567 			int len;
1568 
1569 			vp = &phba->vpd;
1570 
1571 			CtReq->CommandResponse.bits.CmdRsp =
1572 			    be16_to_cpu(SLI_MGMT_RPA);
1573 			CtReq->CommandResponse.bits.Size = 0;
1574 			pab = (REG_PORT_ATTRIBUTE *) & CtReq->un.PortID;
1575 			size = sizeof (struct lpfc_name) + FOURBYTES;
1576 			memcpy((uint8_t *) & pab->PortName,
1577 			       (uint8_t *) & vport->fc_sparam.portName,
1578 			       sizeof (struct lpfc_name));
1579 			pab->ab.EntryCnt = 0;
1580 
1581 			/* #1 Port attribute entry */
1582 			ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) pab + size);
1583 			ae->ad.bits.AttrType = be16_to_cpu(SUPPORTED_FC4_TYPES);
1584 			ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + 32);
1585 			ae->un.SupportFC4Types[2] = 1;
1586 			ae->un.SupportFC4Types[7] = 1;
1587 			pab->ab.EntryCnt++;
1588 			size += FOURBYTES + 32;
1589 
1590 			/* #2 Port attribute entry */
1591 			ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) pab + size);
1592 			ae->ad.bits.AttrType = be16_to_cpu(SUPPORTED_SPEED);
1593 			ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + 4);
1594 
1595 			ae->un.SupportSpeed = 0;
1596 			if (phba->lmt & LMT_10Gb)
1597 				ae->un.SupportSpeed = HBA_PORTSPEED_10GBIT;
1598 			if (phba->lmt & LMT_8Gb)
1599 				ae->un.SupportSpeed |= HBA_PORTSPEED_8GBIT;
1600 			if (phba->lmt & LMT_4Gb)
1601 				ae->un.SupportSpeed |= HBA_PORTSPEED_4GBIT;
1602 			if (phba->lmt & LMT_2Gb)
1603 				ae->un.SupportSpeed |= HBA_PORTSPEED_2GBIT;
1604 			if (phba->lmt & LMT_1Gb)
1605 				ae->un.SupportSpeed |= HBA_PORTSPEED_1GBIT;
1606 
1607 			pab->ab.EntryCnt++;
1608 			size += FOURBYTES + 4;
1609 
1610 			/* #3 Port attribute entry */
1611 			ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) pab + size);
1612 			ae->ad.bits.AttrType = be16_to_cpu(PORT_SPEED);
1613 			ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + 4);
1614 			switch(phba->fc_linkspeed) {
1615 				case LA_1GHZ_LINK:
1616 					ae->un.PortSpeed = HBA_PORTSPEED_1GBIT;
1617 				break;
1618 				case LA_2GHZ_LINK:
1619 					ae->un.PortSpeed = HBA_PORTSPEED_2GBIT;
1620 				break;
1621 				case LA_4GHZ_LINK:
1622 					ae->un.PortSpeed = HBA_PORTSPEED_4GBIT;
1623 				break;
1624 				case LA_8GHZ_LINK:
1625 					ae->un.PortSpeed = HBA_PORTSPEED_8GBIT;
1626 				break;
1627 				case LA_10GHZ_LINK:
1628 					ae->un.PortSpeed = HBA_PORTSPEED_10GBIT;
1629 				break;
1630 				default:
1631 					ae->un.PortSpeed =
1632 						HBA_PORTSPEED_UNKNOWN;
1633 				break;
1634 			}
1635 			pab->ab.EntryCnt++;
1636 			size += FOURBYTES + 4;
1637 
1638 			/* #4 Port attribute entry */
1639 			ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) pab + size);
1640 			ae->ad.bits.AttrType = be16_to_cpu(MAX_FRAME_SIZE);
1641 			ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + 4);
1642 			hsp = (struct serv_parm *) & vport->fc_sparam;
1643 			ae->un.MaxFrameSize =
1644 			    (((uint32_t) hsp->cmn.
1645 			      bbRcvSizeMsb) << 8) | (uint32_t) hsp->cmn.
1646 			    bbRcvSizeLsb;
1647 			pab->ab.EntryCnt++;
1648 			size += FOURBYTES + 4;
1649 
1650 			/* #5 Port attribute entry */
1651 			ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) pab + size);
1652 			ae->ad.bits.AttrType = be16_to_cpu(OS_DEVICE_NAME);
1653 			strcpy((char *)ae->un.OsDeviceName, LPFC_DRIVER_NAME);
1654 			len = strlen((char *)ae->un.OsDeviceName);
1655 			len += (len & 3) ? (4 - (len & 3)) : 4;
1656 			ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + len);
1657 			pab->ab.EntryCnt++;
1658 			size += FOURBYTES + len;
1659 
1660 			if (vport->cfg_fdmi_on == 2) {
1661 				/* #6 Port attribute entry */
1662 				ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) pab +
1663 							  size);
1664 				ae->ad.bits.AttrType = be16_to_cpu(HOST_NAME);
1665 				sprintf(ae->un.HostName, "%s",
1666 					init_utsname()->nodename);
1667 				len = strlen(ae->un.HostName);
1668 				len += (len & 3) ? (4 - (len & 3)) : 4;
1669 				ae->ad.bits.AttrLen =
1670 				    be16_to_cpu(FOURBYTES + len);
1671 				pab->ab.EntryCnt++;
1672 				size += FOURBYTES + len;
1673 			}
1674 
1675 			pab->ab.EntryCnt = be32_to_cpu(pab->ab.EntryCnt);
1676 			/* Total size */
1677 			size = GID_REQUEST_SZ - 4 + size;
1678 		}
1679 		break;
1680 
1681 	case SLI_MGMT_DHBA:
1682 		CtReq->CommandResponse.bits.CmdRsp = be16_to_cpu(SLI_MGMT_DHBA);
1683 		CtReq->CommandResponse.bits.Size = 0;
1684 		pe = (PORT_ENTRY *) & CtReq->un.PortID;
1685 		memcpy((uint8_t *) & pe->PortName,
1686 		       (uint8_t *) & vport->fc_sparam.portName,
1687 		       sizeof (struct lpfc_name));
1688 		size = GID_REQUEST_SZ - 4 + sizeof (struct lpfc_name);
1689 		break;
1690 
1691 	case SLI_MGMT_DPRT:
1692 		CtReq->CommandResponse.bits.CmdRsp = be16_to_cpu(SLI_MGMT_DPRT);
1693 		CtReq->CommandResponse.bits.Size = 0;
1694 		pe = (PORT_ENTRY *) & CtReq->un.PortID;
1695 		memcpy((uint8_t *) & pe->PortName,
1696 		       (uint8_t *) & vport->fc_sparam.portName,
1697 		       sizeof (struct lpfc_name));
1698 		size = GID_REQUEST_SZ - 4 + sizeof (struct lpfc_name);
1699 		break;
1700 	}
1701 
1702 	bpl = (struct ulp_bde64 *) bmp->virt;
1703 	bpl->addrHigh = le32_to_cpu(putPaddrHigh(mp->phys) );
1704 	bpl->addrLow = le32_to_cpu(putPaddrLow(mp->phys) );
1705 	bpl->tus.f.bdeFlags = 0;
1706 	bpl->tus.f.bdeSize = size;
1707 	bpl->tus.w = le32_to_cpu(bpl->tus.w);
1708 
1709 	cmpl = lpfc_cmpl_ct_cmd_fdmi;
1710 
1711 	/* The lpfc_ct_cmd/lpfc_get_req shall increment ndlp reference count
1712 	 * to hold ndlp reference for the corresponding callback function.
1713 	 */
1714 	if (!lpfc_ct_cmd(vport, mp, bmp, ndlp, cmpl, FC_MAX_NS_RSP, 0))
1715 		return 0;
1716 
1717 	/* Decrement ndlp reference count to release ndlp reference held
1718 	 * for the failed command's callback function.
1719 	 */
1720 	lpfc_nlp_put(ndlp);
1721 
1722 	lpfc_mbuf_free(phba, bmp->virt, bmp->phys);
1723 fdmi_cmd_free_bmp:
1724 	kfree(bmp);
1725 fdmi_cmd_free_mpvirt:
1726 	lpfc_mbuf_free(phba, mp->virt, mp->phys);
1727 fdmi_cmd_free_mp:
1728 	kfree(mp);
1729 fdmi_cmd_exit:
1730 	/* Issue FDMI request failed */
1731 	lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1732 			 "0244 Issue FDMI request failed Data: x%x\n",
1733 			 cmdcode);
1734 	return 1;
1735 }
1736 
1737 void
1738 lpfc_fdmi_tmo(unsigned long ptr)
1739 {
1740 	struct lpfc_vport *vport = (struct lpfc_vport *)ptr;
1741 	struct lpfc_hba   *phba = vport->phba;
1742 	uint32_t tmo_posted;
1743 	unsigned long iflag;
1744 
1745 	spin_lock_irqsave(&vport->work_port_lock, iflag);
1746 	tmo_posted = vport->work_port_events & WORKER_FDMI_TMO;
1747 	if (!tmo_posted)
1748 		vport->work_port_events |= WORKER_FDMI_TMO;
1749 	spin_unlock_irqrestore(&vport->work_port_lock, iflag);
1750 
1751 	if (!tmo_posted)
1752 		lpfc_worker_wake_up(phba);
1753 	return;
1754 }
1755 
1756 void
1757 lpfc_fdmi_timeout_handler(struct lpfc_vport *vport)
1758 {
1759 	struct lpfc_nodelist *ndlp;
1760 
1761 	ndlp = lpfc_findnode_did(vport, FDMI_DID);
1762 	if (ndlp && NLP_CHK_NODE_ACT(ndlp)) {
1763 		if (init_utsname()->nodename[0] != '\0')
1764 			lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DHBA);
1765 		else
1766 			mod_timer(&vport->fc_fdmitmo, jiffies + HZ * 60);
1767 	}
1768 	return;
1769 }
1770 
1771 void
1772 lpfc_decode_firmware_rev(struct lpfc_hba *phba, char *fwrevision, int flag)
1773 {
1774 	struct lpfc_sli *psli = &phba->sli;
1775 	lpfc_vpd_t *vp = &phba->vpd;
1776 	uint32_t b1, b2, b3, b4, i, rev;
1777 	char c;
1778 	uint32_t *ptr, str[4];
1779 	uint8_t *fwname;
1780 
1781 	if (phba->sli_rev == LPFC_SLI_REV4)
1782 		sprintf(fwrevision, "%s", vp->rev.opFwName);
1783 	else if (vp->rev.rBit) {
1784 		if (psli->sli_flag & LPFC_SLI_ACTIVE)
1785 			rev = vp->rev.sli2FwRev;
1786 		else
1787 			rev = vp->rev.sli1FwRev;
1788 
1789 		b1 = (rev & 0x0000f000) >> 12;
1790 		b2 = (rev & 0x00000f00) >> 8;
1791 		b3 = (rev & 0x000000c0) >> 6;
1792 		b4 = (rev & 0x00000030) >> 4;
1793 
1794 		switch (b4) {
1795 		case 0:
1796 			c = 'N';
1797 			break;
1798 		case 1:
1799 			c = 'A';
1800 			break;
1801 		case 2:
1802 			c = 'B';
1803 			break;
1804 		default:
1805 			c = 0;
1806 			break;
1807 		}
1808 		b4 = (rev & 0x0000000f);
1809 
1810 		if (psli->sli_flag & LPFC_SLI_ACTIVE)
1811 			fwname = vp->rev.sli2FwName;
1812 		else
1813 			fwname = vp->rev.sli1FwName;
1814 
1815 		for (i = 0; i < 16; i++)
1816 			if (fwname[i] == 0x20)
1817 				fwname[i] = 0;
1818 
1819 		ptr = (uint32_t*)fwname;
1820 
1821 		for (i = 0; i < 3; i++)
1822 			str[i] = be32_to_cpu(*ptr++);
1823 
1824 		if (c == 0) {
1825 			if (flag)
1826 				sprintf(fwrevision, "%d.%d%d (%s)",
1827 					b1, b2, b3, (char *)str);
1828 			else
1829 				sprintf(fwrevision, "%d.%d%d", b1,
1830 					b2, b3);
1831 		} else {
1832 			if (flag)
1833 				sprintf(fwrevision, "%d.%d%d%c%d (%s)",
1834 					b1, b2, b3, c,
1835 					b4, (char *)str);
1836 			else
1837 				sprintf(fwrevision, "%d.%d%d%c%d",
1838 					b1, b2, b3, c, b4);
1839 		}
1840 	} else {
1841 		rev = vp->rev.smFwRev;
1842 
1843 		b1 = (rev & 0xff000000) >> 24;
1844 		b2 = (rev & 0x00f00000) >> 20;
1845 		b3 = (rev & 0x000f0000) >> 16;
1846 		c  = (rev & 0x0000ff00) >> 8;
1847 		b4 = (rev & 0x000000ff);
1848 
1849 		sprintf(fwrevision, "%d.%d%d%c%d", b1, b2, b3, c, b4);
1850 	}
1851 	return;
1852 }
1853